1766945047133 has 16 divisors (see below), whose sum is σ = 2139808374144. Its totient is φ = 1424330403840.

The previous prime is 1766945047073. The next prime is 1766945047163. The reversal of 1766945047133 is 3317405496671.

It is a cyclic number.

It is not a de Polignac number, because 1766945047133 - 2³² = 1762650079837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1766945047163) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5597060 + ... + 5904317.

It is an arithmetic number, because the mean of its divisors is an integer number (133738023384).

Almost surely, 2^{1766945047133} is an apocalyptic number.

It is an amenable number.

1766945047133 is a deficient number, since it is larger than the sum of its proper divisors (372863327011).

1766945047133 is a wasteful number, since it uses less digits than its factorization.

1766945047133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11502692.

The product of its (nonzero) digits is 11430720, while the sum is 56.

The spelling of 1766945047133 in words is "one trillion, seven hundred sixty-six billion, nine hundred forty-five million, forty-seven thousand, one hundred thirty-three".